30581551

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 41545728

約数和(自身を除く): 10964177

約数列:

[1, 7, 11, 13, 77, 91, 137, 143, 223, 959, 1001, 1507, 1561, 1781, 2453, 2899, 10549, 12467, 17171, 19591, 20293, 30551, 31889, 137137, 213857, 223223, 336061, 397163, 2352427, 2780141, 4368793, 30581551]

約数ペア:

[(1, 30581551), (7, 4368793), (11, 2780141), (13, 2352427), (77, 397163), (91, 336061), (137, 223223), (143, 213857), (223, 137137), (959, 31889), (1001, 30551), (1507, 20293), (1561, 19591), (1781, 17171), (2453, 12467), (2899, 10549)]